Fig. 3From: Practice-based skill acquisition of pushrim-activated power-assisted wheelchair propulsion versus regular handrim propulsion in novicesAverage (assisted) mechanical efficiency, heart rate, RPE, left-right and forward-backward deviation, and stroke frequency of each session for the RHW group (blue, n = 12) and the PAPAW group (orange/dotted, n = 12). Standard error bars are given for each sessionBack to article page